manufacturing, testing, inspection, painting and supply on door delivery basis of power trolley line and catenary system and supervision during erection, testing and commissioning of power trolley line and catenary system required for sail bsl bokaro , trolley line system for coke pusher car (122 mtrs) conforming to ts with following accessories: , rails for trolley lines. (bsn 60rn257) , trolley holders for rails. , trolley line joints. , angle for signalling trolley lines. (isa 50x50x5)mm. , tufnol insulator for signalling. , trolley line angle joints. , steel al. straps for incoming / cables , trolley line expansion joints. , angle for electronic earthing (isa 50x50x5)mm. , tufnol insulator for electronic earthing , trolley line angle joints. , trolley line system for coke quenching car / loco (122 mtrs) conforming to ts with following accessories: , rails for trolley lines. (bsn 60rn257) , trolley holders for rails. , trolley line joints. , angle for signalling trolley lines. (isa 50x50x5)mm. , tufnol insulator for signalling. , trolley line angle joints. , steel al. straps for incoming / cables , trolley line expansion joints. , angle for electronic earthing (isa 50x50x5)mm. , tufnol insulator for electronic earthing , trolley line angle joints. , catenary wire system for coal charging car (115 mtrs) conforming to ts with following accessories: , catenary wire gi wire rope steel core of dia 12 mm , power conductor - hard drawn solid round copper conductor of dia 12 mm , sectionalizer assembly (complete for 4 wire system). , end termination complete assembly , dropper wire assembly @ 1.5 mtr pitch , fixed dropper assembly at fixed supports , feeding terminal , splice jointer , catenary wire system for guide car (120 mtr) conforming to ts with following accessories: , catenary wire gi wire rope steel core of dia 12 mm , power conductor - hard drawn solid round copper conductor of dia 12 mm , sectionalizer assembly (complete for 4 wire system). , end termination complete assembly. , dropper wire assembly @ 1.5 mtr pitch , fixed dropper assembly at fixed supports , feeding terminal , splice jointer , led based bidirectional indication lamp in sheet steel enclosure , supervisory services during erection testing & commissioning. , note: - 1. bom shall be operated on unit rate basis. 2. unit rates shall be quoted for all the above items for any additional requirements / decrease in requirements. 3. quantity mentioned above is only an approximate quantity & may undergo change during detailing & site execution. 4. unit rate shall be firm & binding till final handing over of the project. 5. payment shall be made based on actual quantity supplied & executed at site. site certification shall be done by engineer in charge. 6. any item not mentioned above but required to be supplied for completeness shall be supplied & paid as per the rates furnished for similar type of items mentioned above.